CBS Medical Terminology & Anatomy 3

Question 1

Which layer of the breast contains the adipose tissue that gives the breast its shape and size?

Accepted Answer

Subcutaneous layer

Answer

The subcutaneous layer contains adipose (fatty) tissue that surrounds and cushions the glandular breast tissue.

Question 2

The term 'prolactin' is derived from which word roots indicating its function?

Accepted Answer

Pro (for/in favor of) + lactin (milk)

Answer

Prolactin literally means 'for milk' — it is the hormone that promotes milk synthesis in the mammary glands.

Question 3

In breastfeeding anatomy, what is a 'lobule'?

Accepted Answer

A group of alveoli that drain into a common duct

Answer

A lobule is a cluster of alveoli that share a common duct, and multiple lobules form a lobe of the breast.

Question 4

Which medical term describes the hardening and distension of breasts due to milk and vascular congestion?

Accepted Answer

Engorgement

Answer

Engorgement is the painful swelling and tightening of breasts caused by increased blood flow and milk accumulation, typically in early postpartum.

Question 5

The myoepithelial cells surrounding alveoli are stimulated by oxytocin to perform which action?

Accepted Answer

Contract and eject milk

Answer

Myoepithelial cells contract in response to oxytocin, squeezing alveoli and forcing milk into the ducts — this is the milk ejection reflex.

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